Vanguard Personalized Indexing Management’s MKS Inc MKSI Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$4.36M	Buy	18,988 +512	+3%	+$116K	0.04%	352
2025 Q4	$2.95M	Buy	18,476 +752	+4%	+$112K	0.03%	465
2025 Q3	$2.19M	Sell	17,724 -212	-1%	-$22.6K	0.02%	560
2025 Q2	$1.78M	Buy	17,936 +12,132	+209%	+$986K	0.02%	605
2025 Q1	$465K	Buy	5,804 +361	+7%	+$36.5K	0.01%	1155
2024 Q4	$568K	Buy	5,443 +555	+11%	+$59.9K	0.01%	1052
2024 Q3	$531K	Sell	4,888 -2	-0%	-$238	0.01%	1063
2024 Q2	$624K	Buy	4,890 +515	+12%	+$65K	0.01%	932
2024 Q1	$582K	Buy	4,375 +1,723	+65%	+$200K	0.01%	933
2023 Q4	$273K	Sell	2,652 -5,546	-68%	-$450K	0.01%	1273
2023 Q3	$709K	Sell	8,198 -291	-3%	-$28.4K	0.02%	732
2023 Q2	$918K	Buy	8,489 +204	+2%	+$18.7K	0.03%	607
2023 Q1	$734K	Buy	8,285 +152	+2%	+$14.5K	0.03%	685
2022 Q4	$689K	Buy	8,133 +4,811	+145%	+$386K	0.03%	671
2022 Q3	$275K	Buy	3,322 +321	+11%	+$33K	0.01%	996
2022 Q2	$308K	Sell	3,001 -1,963	-40%	-$229K	0.01%	980
2022 Q1	$745K	Sell	4,964 -1,463	-23%	-$227K	0.04%	623
2021 Q4	$1.12M	Buy	6,427 +1,865	+41%	+$292K	0.07%	333
2021 Q3	$688K	Buy	+4,562	New	+$700K	0.06%	360